Median Age in Snohomish County, WA
ACS 2024 5-Year Estimates
38.6 years
Rank #2,469/3,222 · #27 in WA
23th
Snohomish 38.6 years
WA 38.3 years +0.8%
US 38.9 years -0.8%
Median Age Trend
Rankings →Percentile Rank Over Time
Year-over-Year Age Change
National Distribution
How Snohomish County's median age of 38.6 years compares to all 3,222 U.S. counties. Values range from 21.4 years to 86.2 years.
Distribution of Median Age Across All Counties
Ranking Context
Counties ranked closest to Snohomish County for median age.
Nearby Rankings
Full ranking →| #2,466 | McClain County, OK | 38.6 years |
| #2,467 | Carbon County, UT | 38.6 years |
| #2,468 | Spotsylvania County, VA | 38.6 years |
| #2,469 | Snohomish County, WA | 38.6 years |
| #2,470 | Marshall County, AL | 38.5 years |
| #2,471 | Mobile County, AL | 38.5 years |
| #2,472 | Peach County, GA | 38.5 years |
About Median Age
Snohomish County, Washington has a median age of 38.6 years, ranking #2,469 of 3,222 counties nationwide — 0.8% below the national value of 38.9 years. Within Washington, it ranks #27 of 39. This places it in the 23th percentile nationally.
The median age of the total population. Source: U.S. Census Bureau, American Community Survey 2024 5-Year Estimates. All values are estimates derived from survey samples and are subject to margin of error. For more information, see our methodology.